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Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

PUBLISHED Reserved 2026-05-14 | Published 2026-06-10 | Updated 2026-06-10 | Assigner GitHub_M




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

CWE-131: Incorrect Calculation of Buffer Size

CWE-252: Unchecked Return Value

CWE-787: Out-of-bounds Write

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

< 6.9.13-48
affected

< 7.1.2-23
affected

References

github.com/...Magick/security/advisories/GHSA-jcqp-6r6f-3mfx

cve.org (CVE-2026-46521)

nvd.nist.gov (CVE-2026-46521)

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